High-performance readout and recording by a combination aperture

Shu Guo Tang; Tom D. Milster; J. Kevin Erwin; Warren L. Bletscher

doi:10.1364/OL.26.001987

High-performance readout and recording by a combination aperture

Shu Guo Tang, Tom D. Milster, J. Kevin Erwin, Warren L. Bletscher

Research output: Contribution to journal › Article › peer-review

11 Scopus citations

Abstract

A solid immersion lens combined with a conical dielectric tip exhibits good resolution and efficiency in reading and recording data marks on optical storage media. We demonstrate a combination aperture that produces ∼200-nm full-width 1/e² spot size and achieves 50% optical efficiency in an edge-scan experiment. A comparison of recording with the combination aperture, with an unmodified solid immersion lens, and with a far-field system is made.

Original language	English (US)
Pages (from-to)	1987-1989
Number of pages	3
Journal	Optics letters
Volume	26
Issue number	24
DOIs	https://doi.org/10.1364/OL.26.001987
State	Published - Dec 15 2001

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics

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10.1364/OL.26.001987

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abstract = "A solid immersion lens combined with a conical dielectric tip exhibits good resolution and efficiency in reading and recording data marks on optical storage media. We demonstrate a combination aperture that produces ∼200-nm full-width 1/e2 spot size and achieves 50% optical efficiency in an edge-scan experiment. A comparison of recording with the combination aperture, with an unmodified solid immersion lens, and with a far-field system is made.",

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AU - Milster, Tom D.

AU - Erwin, J. Kevin

AU - Bletscher, Warren L.

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AB - A solid immersion lens combined with a conical dielectric tip exhibits good resolution and efficiency in reading and recording data marks on optical storage media. We demonstrate a combination aperture that produces ∼200-nm full-width 1/e2 spot size and achieves 50% optical efficiency in an edge-scan experiment. A comparison of recording with the combination aperture, with an unmodified solid immersion lens, and with a far-field system is made.

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High-performance readout and recording by a combination aperture

Abstract

ASJC Scopus subject areas

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